74HCT244PW データシートの表示（PDF） - Philips Electronics

部品番号

コンポーネント説明

メーカー

74HCT244PW

Octal buffer/line driver; 3-state

Philips Electronics 

Philips Semiconductors

Octal buffer/line driver; 3-state

PIN DESCRIPTION

PIN NO.

1

2, 4, 6, 8

3, 5, 7, 9

10

17, 15, 13, 11

18, 16, 14, 12

19

20

SYMBOL

1OE

1A0 to 1A3

2Y0 to 2Y3

GND

2A0 to 2A3

1Y0 to 1Y3

2OE

VCC

NAME AND FUNCTION

output enable input (active LOW)

data inputs

bus outputs

ground (0 V)

data inputs

bus outputs

output enable input (active LOW)

positive supply voltage

Product specification

74HC/HCT244

Fig.1 Pin configuration.

Fig.2 Logic symbol.

Fig.3 IEC logic symbol.

December 1990

3

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